/Engine/Plugins/Editor/UVEditor/Source/UVEditorTools/Public/Math/UVMetrics.h
static double Sander ( const [UE::Geometry::FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, int32 UVChannel, int32 Tid, bool bUseL2 )